Patent US2097602A successfully refreshed from Google Patents.
US2097602A
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US
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Radiator
Assignee: Warren Webster & Co
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Filing: 1936-03-06
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Granted: 1937-11-02
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Expires: 1956-03-06
Abstract
No abstract record available.
Inventors
- 👤 Karl W Rohlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:39
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/026; F28F9/027; F28F9/0273; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28D1/05316; F28F9/0202; F28F9/0204; F28F9/0214; F28F9/0217; F28F9/26; F28F9/262; F28D21/00; F28D2021/0019; F28D2021/0035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-11-01 | 1941-05-03 | 1941-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-01 | 1945-05-03 | 1945-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-01 | 1949-05-03 | 1949-11-02 | $7700.00 | Window Closed / Lapsed |